Contemporary Mathematics for Business and Consumers
7th Edition
ISBN: 9781285189758
Author: Robert Brechner, George Bergeman
Publisher: Cengage Learning
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Textbook Question
Chapter 12.III, Problem 12RE
Solve the following exercises by using tables.
Jennifer Kaufman bought a used Toyota Prius for $15,500. She made a $2,500 down payment and is financing the balance at Imperial Bank over a 3-year period at 12% interest. As her banker, calculate what equal monthly payments will be required by Jennifer to amortize the car loan.
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3. (i) Consider the following R code:
wilcox.test(UK Supermarkets $Salary ~ UKSupermarkets $Supermarket)
(a) Which test is being used in this code?
(b) What is the name of the dataset under consideration?
How would be adapt this code if we had ties? What other command
can be used which deals with ties?
(ii) Consider the following R code:
install packages("nortest")
library(nortest)
lillie.test (Differences)
(a) Assuming the appropriate dataset has been imported and attached,
what is wrong with this code?
(b) If this code were to be corrected, what would be determined by run-
ning it?
[3 Marks]
1. (i) Give the definition of a metric on a set X.
[5 Marks]
(ii) Let X = {a, b, c} and let a function d : XxX → [0, ∞) be defined
as d(a, a) = d(b,b) = d(c, c) 0, d(a, c) = d(c, a) 1, d(a, b) = d(b, a) = 4,
d(b, c) = d(c,b) = 2. Decide whether d is a metric on X. Justify your answer.
=
(iii) Consider a metric space (R, d.), where
=
[10 Marks]
0
if x = y,
d* (x, y)
5
if xy.
In the metric space (R, d*), describe:
(a) open ball B2(0) of radius 2 centred at 0;
(b) closed ball B5(0) of radius 5 centred at 0;
(c) sphere S10 (0) of radius 10 centred at 0.
[5 Marks]
[5 Marks]
[5 Marks]
(c) sphere S10 (0) of radius 10 centred at 0.
[5 Marks]
2. Let C([a, b]) be the metric space of continuous functions on the interval
[a, b] with the metric
doo (f,g)
=
max f(x)g(x)|.
xЄ[a,b]
= 1x. Find:
Let f(x) = 1 - x² and g(x):
(i) do(f, g) in C'([0, 1]);
(ii) do(f,g) in C([−1, 1]).
[20 Marks]
[20 Marks]
Chapter 12 Solutions
Contemporary Mathematics for Business and Consumers
Ch. 12.I - Freeport Bank is paying 8% interest compounded...Ch. 12.I - Vista Savings Loan is paying 6% interest...Ch. 12.I - Katrina Byrd invested $250 at the end of every...Ch. 12.I - Use Table 12-1 to calculate the future value of...Ch. 12.I - Use Table 12-1 to calculate the future value of...Ch. 12.I - Use Table 12-1 to calculate the future value of...Ch. 12.I - Use Table 12-1 to calculate the future value of...Ch. 12.I - Use Table 12-1 to calculate the future value of...Ch. 12.I - Use Table 12-1 to calculate the future value of...Ch. 12.I - Use Table 12-1 to calculate the future value of...
Ch. 12.I - Use Table 12-1 to calculate the future value of...Ch. 12.I - Use Table 12-1 to calculate the future value of...Ch. 12.I - Use Table 12-1 to calculate the future value of...Ch. 12.I - Solve the following exercises by using Table 12-1....Ch. 12.I - Solve the following exercises by using Table 12-1....Ch. 12.I - Solve the following exercises by using Table...Ch. 12.I - Solve the following exercises by using Table 12-1....Ch. 12.I - Solve the following exercises by using Table...Ch. 12.I - Solve the following exercises by using formulas....Ch. 12.I - Solve the following exercises by using...Ch. 12.I - Solve the following exercises by using formulas....Ch. 12.I - Annuities Due Annuity Payment Time Nominal...Ch. 12.I - Annuities...Ch. 12.I - Annuities Due Annuity Payment Time Nominal...Ch. 12.I - To establish a "rainy day" cash reserve account....Ch. 12.I - 23. As a part of his retirement planning strategy....Ch. 12.I - Hi-Tech Hardware has been in business for a few...Ch. 12.II - Prob. 4TIECh. 12.II - Prob. 5TIECh. 12.II - Prob. 6TIECh. 12.II - Use Table 12-2 to calculate the present value of...Ch. 12.II - Prob. 2RECh. 12.II - Prob. 3RECh. 12.II - Prob. 4RECh. 12.II - Prob. 5RECh. 12.II - Prob. 6RECh. 12.II - Prob. 7RECh. 12.II - Prob. 8RECh. 12.II - Prob. 9RECh. 12.II - Prob. 10RECh. 12.II - Prob. 11RECh. 12.II - Solve the following exercises by using Table...Ch. 12.II - Solve the following exercises by using Table 12-2....Ch. 12.II - Prob. 14RECh. 12.II - Solve the following exercises by using Table...Ch. 12.II - Solve the following exercises by using Table...Ch. 12.II - Prob. 17RECh. 12.II - Prob. 18RECh. 12.II - Prob. 19RECh. 12.II - Prob. 20RECh. 12.II - Prob. 21RECh. 12.II - Prob. 22RECh. 12.II - As part of an inheritance. Joan Townsend will...Ch. 12.II - Norm Legend has been awarded a scholarship from...Ch. 12.III - Prob. 7TIECh. 12.III - Prob. 8TIECh. 12.III - Prob. 9TIECh. 12.III - Apex Manufacturing recently purchased a new...Ch. 12.III - Prob. 1RECh. 12.III - Prob. 2RECh. 12.III - Prob. 3RECh. 12.III - Prob. 4RECh. 12.III - Prob. 5RECh. 12.III - Prob. 6RECh. 12.III - You have just been hired as a loan officer at the...Ch. 12.III - Prob. 8RECh. 12.III - Prob. 9RECh. 12.III - Loan Payment Term of Nominal Present...Ch. 12.III - Prob. 11RECh. 12.III - Solve the following exercises by using tables.
12....Ch. 12.III - Solve the following exercises by using tables.
13....Ch. 12.III - Solve the following exercises by using tables....Ch. 12.III - Solve the following exercises by using tables.
15....Ch. 12.III - Solve the following exercises by using the sinking...Ch. 12.III - Prob. 17RECh. 12.III - Prob. 18RECh. 12.III - Prob. 19RECh. 12.III - Prob. 20RECh. 12.III - Prob. 21RECh. 12.III - Prob. 22RECh. 12.III - Randy Scott purchased a motorcycle for $8,500 with...Ch. 12.III - Prob. 24RECh. 12.III - Prob. 25RECh. 12 - Payment or receipt of equal amounts of money per...Ch. 12 - Prob. 2CRCh. 12 - Prob. 3CRCh. 12 - Prob. 4CRCh. 12 - Prob. 5CRCh. 12 - The table factor for an annuity due is found by...Ch. 12 - 7. Write the formula for calculating the future...Ch. 12 - Prob. 8CRCh. 12 - Prob. 9CRCh. 12 - Prob. 10CRCh. 12 - 11. A(n) ____ fund is an account used to set aside...Ch. 12 - Prob. 12CRCh. 12 - Prob. 13CRCh. 12 - Prob. 14CRCh. 12 - Prob. 1ATCh. 12 - Prob. 2ATCh. 12 - Prob. 3ATCh. 12 - Prob. 4ATCh. 12 - Prob. 5ATCh. 12 - Prob. 6ATCh. 12 - Prob. 7ATCh. 12 - Use Table 12-2 to calculate the present value of...Ch. 12 - Prob. 9ATCh. 12 - Use Table 12-1 to calculate the amount of the...Ch. 12 - Prob. 11ATCh. 12 - Prob. 12ATCh. 12 - Prob. 13ATCh. 12 - Prob. 14ATCh. 12 - Prob. 15ATCh. 12 - Prob. 16ATCh. 12 - Solve the following exercises by using tables.
17....Ch. 12 - Prob. 18ATCh. 12 - Prob. 19ATCh. 12 - Solve the following exercises by using tables....Ch. 12 - Solve the following exercises by using formulas....Ch. 12 - Prob. 22ATCh. 12 - Prob. 23ATCh. 12 - Prob. 24ATCh. 12 - Prob. 25ATCh. 12 - Prob. 26ATCh. 12 - Prob. 27ATCh. 12 - Prob. 28ATCh. 12 - Prob. 29ATCh. 12 - Prob. 30ATCh. 12 - Prob. 31ATCh. 12 - Prob. 32ATCh. 12 - Prob. 33ATCh. 12 - Prob. 34ATCh. 12 - Prob. 35AT
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